Home / 38,760.80-58,146.06-19,022.72

Finding the Fourth Proportional to 38,760.80, 58,146.06 and 19,022.72

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Solution

The fourth proportional to 38,760.80, 58,146.06 and 19,022.72 is: 28,536.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,760.80 : 58,146.06 = 19,022.72 : x
  2. Step 2: Convert to fraction form
    38,760.80/58,146.06 = 19,022.72/x
  3. Step 3: Cross multiply
    38,760.80x = 58,146.06 × 19,022.72
  4. Step 4: Simplify right side
    38,760.80x = 1,106,096,218.48
  5. Step 5: Solve for x
    x = 1,106,096,218.48/38,760.80
  6. Step 6: Final answer
    x = 28,536.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.